diff --git a/changelog/23446.txt b/changelog/23446.txt
new file mode 100644
index 000000000000..e290eb2951f7
--- /dev/null
+++ b/changelog/23446.txt
@@ -0,0 +1,3 @@
+```release-note:bug
+ui: Fix bug where a change on OpenAPI added a double forward slash on some LIST endpoints.
+```
diff --git a/ui/app/services/path-help.js b/ui/app/services/path-help.js
index 59e584772503..78d617448a80 100644
--- a/ui/app/services/path-help.js
+++ b/ui/app/services/path-help.js
@@ -244,7 +244,7 @@ export default Service.extend({
 
     return generatedItemAdapter.extend({
       urlForItem(id, isList, dynamicApiPath) {
-        const itemType = getPath.path.slice(1);
+        const itemType = sanitizePath(getPath.path);
         let url;
         id = encodePath(id);
         // the apiPath changes when you switch between routes but the apiPath variable does not unless the model is reloaded